English verb conjugation
MUST CALIBRATE

Regular verb: calibrate - calibrated - calibrated

Affirmation

Simple form	V-ing form
I must calibrate you must calibrate he must calibrate we must calibrate you must calibrate they must calibrate	I must be calibrating you must be calibrating he must be calibrating we must be calibrating you must be calibrating they must be calibrating
Perfect	V-ing perfect
I must have calibrated you must have calibrated he must have calibrated we must have calibrated you must have calibrated they must have calibrated	I must have been calibrating you must have been calibrating he must have been calibrating we must have been calibrating you must have been calibrating they must have been calibrating

Negation

Simple form	V-ing form
I mustn't calibrate you mustn't calibrate he mustn't calibrate we mustn't calibrate you mustn't calibrate they mustn't calibrate	I mustn't be calibrating you mustn't be calibrating he mustn't be calibrating we mustn't be calibrating you mustn't be calibrating they mustn't be calibrating
Perfect	V-ing perfect
I mustn't have calibrated you mustn't have calibrated he mustn't have calibrated we mustn't have calibrated you mustn't have calibrated they mustn't have calibrated	I mustn't have been calibrating you mustn't have been calibrating he mustn't have been calibrating we mustn't have been calibrating you mustn't have been calibrating they mustn't have been calibrating

Interrogative form

Simple form	V-ing form
must I calibrate? must you calibrate? must he calibrate? must we calibrate? must you calibrate? must they calibrate?	must I be calibrating? must you be calibrating? must he be calibrating? must we be calibrating? must you be calibrating? must they be calibrating?
Perfect	V-ing perfect
must I have calibrated? must you have calibrated? must he have calibrated? must we have calibrated? must you have calibrated? must they have calibrated?	must I have been calibrating? must you have been calibrating? must he have been calibrating? must we have been calibrating? must you have been calibrating? must they have been calibrating?

Interro-negative form

Simple form	V-ing form
mustn't I calibrate? mustn't you calibrate? mustn't he calibrate? mustn't we calibrate? mustn't you calibrate? mustn't they calibrate?	mustn't I be calibrating? mustn't you be calibrating? mustn't he be calibrating? mustn't we be calibrating? mustn't you be calibrating? mustn't they be calibrating?
Perfect	V-ing perfect
mustn't I have calibrated? mustn't you have calibrated? mustn't he have calibrated? mustn't we have calibrated? mustn't you have calibrated? mustn't they have calibrated?	mustn't I have been calibrating? mustn't you have been calibrating? mustn't he have been calibrating? mustn't we have been calibrating? mustn't you have been calibrating? mustn't they have been calibrating?